CVE-2018-5734

Name: CVE-2018-5734
Creator: NVD / NIST
Published: 2019-01-16T20:29:00.8+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 6.24%

Last modified Jun 17, 2026

CVE-2018-5734 is a vulnerability of currently unknown severity. While handling a particular type of malformed packet BIND erroneously selects a SERVFAIL rcode instead of a FORMERR rcode. If the receiving view has the SERVFAIL cache feature enabled, this can trigger an assertion failure in badcache.c when the request doesn't contain all of the expected information. EPSS estimates a 6.24% chance of exploitation in the next 30 days.

Description

While handling a particular type of malformed packet BIND erroneously selects a SERVFAIL rcode instead of a FORMERR rcode. If the receiving view has the SERVFAIL cache feature enabled, this can trigger an assertion failure in badcache.c when the request doesn't contain all of the expected information. Affects BIND 9.10.5-S1 to 9.10.5-S4, 9.10.6-S1, 9.10.6-S2.

Metrics

EPSS Probability

6.24%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions	Update
Isc	Bind	9.10.5	S1
Isc	Bind	9.10.6	S1
Netapp	Data Ontap Edge	All versions	—
Netapp	Solidfire Element Os Management Node	All versions	—

References

http://www.securityfocus.com/bid/103189Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040438Third Party Advisory, VDB Entry
https://kb.isc.org/docs/aa-01562Vendor Advisory
https://security.netapp.com/advisory/ntap-20180926-0005/Third Party Advisory
http://www.securityfocus.com/bid/103189Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040438Third Party Advisory, VDB Entry
https://kb.isc.org/docs/aa-01562Vendor Advisory
https://security.netapp.com/advisory/ntap-20180926-0005/Third Party Advisory

Timeline

Published: Jan 16, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-5734?

How severe is CVE-2018-5734?

Severity scoring for CVE-2018-5734 is pending analysis. The EPSS model estimates a 6.24% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5734?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-5734?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST